build system overhaul
diff --git a/Makefile.flags b/Makefile.flags
new file mode 100644
index 0000000..39c544e
--- /dev/null
+++ b/Makefile.flags
@@ -0,0 +1,19 @@
+# ==========================================================================
+# Building
+# ==========================================================================
+
+BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
+
+CPPFLAGS += \
+ -Iinclude -Ilibbb \
+ $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \
+ -include include/autoconf.h \
+ -D_GNU_SOURCE -DNDEBUG \
+ -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 \
+ -D"BB_VER=KBUILD_STR($(BB_VER))" -DBB_BT=AUTOCONF_TIMESTAMP \
+ -Wall -Wstrict-prototypes -Wshadow -Werror \
+ -funsigned-char -fno-builtin-strlen -finline-limit=0 -static-libgcc \
+ -Os -march=i386 -mpreferred-stack-boundary=2 \
+ -falign-functions=1 -falign-jumps=1 -falign-loops=1 \
+ -fomit-frame-pointer -ffunction-sections -fdata-sections \
+ -funsigned-char -fno-builtin-strlen \